200408440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{19961}}^1$

素因数の和:20223

約数の個数: 32

約数和(自身を含む): 452738160

約数和(自身を除く): 252329720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 19961, 39922, 79844, 99805, 159688, 199610, 399220, 798440, 5010211, 10020422, 20040844, 25051055, 40081688, 50102110, 100204220, 200408440]

約数ペア:

[(1, 200408440), (2, 100204220), (4, 50102110), (5, 40081688), (8, 25051055), (10, 20040844), (20, 10020422), (40, 5010211), (251, 798440), (502, 399220), (1004, 199610), (1255, 159688), (2008, 99805), (2510, 79844), (5020, 39922), (10040, 19961)]